deputy chief steve drew conceived the project. >> we taught 1,000 kids in 2008 and 700 kids approximately 200 2009. >>reporter: lindsay took the class in 2009 as a freshman. >> what you did to me. >>reporter: lindsay mom never knew her daughter could do cpr. today with her mom now resting at home, lindsay showed her for the first time the cpr kit she kept in her room for the past three years. when i reported on the story in 2008 then lieutenant told me this. >> you are diagnose something here today that maybe not tomorrow but some time in your life will provide you an opportunity to save someone's life. >>reporter: prediction came true. for lindsay her grade on the cpr class was not pass or fail. it was life or death. the test of of a true hero. vick lee, 7 news. >> all right. >> great story. >> fantastic. fabulous effort. >> let's get back to the weather forecast. storm is in tonight. sounds like a stormy tonight. >> it could be for much of the bay area. north bay and sweeping through other parts of the bay area. live view from the high definite figures sutro camera looking out over san